New black painted outside mirror arm. Correct design for passenger's side 39-46 truck. 1939-1946 Chevrolet and GMC Low Cab.Just like the rare originals. Right side. Fits around upper door hinge and uses longer 3" mirror arm pin. Primed in black and ready for paint....Sold each. The passenger side arm was a dealer installed option so GM originals are almost impossible to find.